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A209554 as a simple table

na(n)
13
297
3193
4257
5353
6449
7577
8641
9673
10769
11929
121153
131217
141249
151409
161601
171697
181889
192017
202081
212113
222273
232593
242657
252689
262753
273041
283137
293169
303329
313361
323457
333617
344001
354129
364289
374481
384513
394673
404801
414993
425153
435281
445441
455569

[3,97,193,257,353,449,577,641,673,769,929,1153,
 1217,1249,1409,1601,1697,1889,2017,2081,2113,2273,
 2593,2657,2689,2753,3041,3137,3169,3329,3361,3457,
 3617,4001,4129,4289,4481,4513,4673,4801,4993,5153,
 5281,5441,5569]